semopy

https://semopy.com/docs

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semopy is a Python package for Structural Equation Modeling (SEM) that provides user-friendly...

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### Define a Structural Equation Model

Source: https://semopy.com

Example syntax for specifying structural, measurement, and covariance relationships in a semopy model.

```text
 # structural part
eta3 ~ x1 + x2
eta4 ~ x3 
x3 ~ eta1 + eta2 + x1 + x4 
x4 ~ eta4 
x5 ~ x4 
# measurement part 
eta1 =~ y1 + y2 + y3 
eta2 =~ y3 
eta3 =~ y4 + y5 
eta4 =~ y4 + y6 
# additional covariances
eta2 ~~   x2 
y5 ~~   y6
```

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